2014 Gem, Mineral and Fossil Showcase:
The Gem, Mineral and Fossil Showcase is underway. Every year, it draws people from all over the world. We were able to see an exotic gem, "Ammolite." This is only found ...

2014 Gem, Mineral and Fossil Show:
The petrified tree trunk exhibit features wood from Tucson trees that's more than 200 million years old. Pieces like these go for nearly $19,000! Elizabeth Ortegas' father makes them.